Date: Fri, 23 Jun 2006 06:54:37 PST From: mojavegnospamveg.lsan.sisna.com (Everett M. Greene) Subject: Re: Smoking Auxiliary belt (fan belt / serpentine belt)
Fred W <Malt_Houndnospamm-me-not*yahoo.com> writes: > Everett M. Greene wrote: > > NW Fungi <tbissonnospamfier.com> writes: > >>Fred W wrote: > >>>Drew wrote: > > > >>>>On a long trip at high speed, once I slowed down I noticed a burning > >>>>smell from the engine compartment (of my 1997 Saab 900s 2.0i, 160K > >>>>miles). I opened the bonnet and there was a small amount of smoke > >>>>coming from the belt (the one that drives the oil, power steering, and > >>>>AC pumps). The belt seems in good condition though it looks a little > >>>>"shiny" on the outside face. The inside, ridged, face looks just > >>>>fine. A mechanic said it was likely to be the tensioner pulley > >>>>bearings seizing up rather than the belt its self giving up. Sounds > >>>>like an OK reason to me. Checking the Haynes manual it says the belt > >>>>should be changed every 15K miles or so - I missed that one along the > >>>>way. Mine hasn't been done in something like 80K miles. How > >>>>difficult and expensive is it to replace the pulley bearings and belt > >>>>do you think? There is a bit of a squeal developing now.) > >>> > >>>Quite easy. The worst part is getting access to everything which > >>>requires removing the right front wheel well liner. I would definitely > >>>replace the pulleys and the belt. > >> > >>I agree, I have a 96 900s and the idler pully froze and caused alot of > >>smoke, and tore the belt all to %&%%$$%$%! It is easy enuff to fix, but > >>as Fred said, you do have to pull the right front wheel well liner. > > > > I have a 1985 900 which destroyed a belt in the middle > > of nowhere in Montana prior to 1989. I replaced the belts > > at the time of the incident and haven't thought about them > > or done anything about them since. Do they really need to > > be replaced every 15K miles? > > 3 things: > > 1) an 85 C900 is a different animal from a NG900. Did any C900 [Did what?] I failed to notice that the OP said NG900. > 2) I would replace the belts every 30k miles and check it every 15k per > the SAAB recomendations / schedule. > > 3) I would replace the idler and tensioner pulleys at every second belt > change since the wheel well liner is already off. Off for what?